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Goodwill and Identifiable Intangibles (Identifiable Intangibles) (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jan. 31, 2019 | Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Impairment of indefinite-lived intangible assets |  | $ 0.0
Trade names | Cumberland Asset Acquisition |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful life | 10 years |
Customer relationships | Cumberland Asset Acquisition |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful life | 7 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Details
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- Details
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